<style>
  .container {
  }
  .item {
    margin: 20px;
    width: 100px;
    height: 100px;
    background-color: lightblue;
    display: inline-block;
  }
</style>
<body>
  <div class="container">
    <span class="item"></span>
    <span class="item"></span>
    <span class="item"></span>
    <span class="item"></span>
    <span class="item"></span>
    <span class="item"></span>
    <span class="item"></span>
    <span class="item"></span>
    <span class="item"></span>
    <span class="item"></span>
    <p></p>
    <p>Paragraph One</p>
    <br />
    <p>Paragraph Two</p>
    <br />
    <div>
      <p>Paragraph One</p>
      <br />
    </div>
    <p>Paragraph Two</p>
  </div>
</body>
